Concurrent with the release of Gnucash 2.6.5 we're pleased to also release a new version 2.6.5 of the companion Help and Tutorial and Concepts Guide.

Fix a path of freshly added XML files
Add some comments about translation to the German documents where the translation wasn't updated to match the English version.
Apply &untranslated property in German translations.
Fix path of newly-added XML files.
Bug 739380 - Release tarball build fails. Git builds OK.

Getting GnuCash for Windows (Win32 binary)

The Gnucash 2.6.5 Win32 setup executable can be downloaded from Sourceforge. It will install everything needed to run GnuCash.
Mac OSX binary

The Gnucash 2.6.5 MacOS X Intel and PPC packages can be downloaded from Sourceforge as well.
Getting GnuCash as source code

If you want to compile GnuCash 2.6.5 for yourself, the source code can be downloaded from:

Sourceforge: bzip2, all files.
You can also checkout the sources directly from the git repository as described here.

To compile GnuCash from the source code by yourself, you will need at least Gnome 2, Guile, and slib. In addition you will need swig if compiling from git. Please consult the README file in the sources for the exact list of dependencies and versions.
Reading the documentation online

An online version of the documentation is available on the Documentation page of the GnuCash website. The 2.6.5 documentation can be found under "GnuCash v2.6 (current stable release)" in multiple languages.
Getting GnuCash Documentation in pdf, epub or mobi formats

The documentation can equally be downloaded in pdf, epub or mobi formats from the Documentation page of the GnuCash website. The 2.6.5 documentation can be found under "GnuCash v2.6 (current stable release)" in multiple languages.
Getting GnuCash Documentation as source code

If you want to compile the GnuCash Documentation 2.6.5 for yourself, the source code can be downloaded from:

Sourceforge
You can also checkout the sources directly from the subversion repository as described here.

About the Program

GnuCash is a free, open source accounting program released under the GNU General Public License (GPL) and available for GNU/Linux, *BSD, Solaris, Mac OSX and Microsoft Windows. Programming on GnuCash began in 1997, and its first stable release was in 1998.